import unittest

from app.core.config import Settings


class PostgreSQLSocketConfigTests(unittest.TestCase):
    def test_postgresql_tcp_url_keeps_host_and_port(self):
        settings = Settings(
            DB_POSTGRESQL_HOST="db",
            DB_POSTGRESQL_PORT="5433",
            DB_POSTGRESQL_DATABASE="moviepilot",
            DB_POSTGRESQL_USERNAME="user",
            DB_POSTGRESQL_PASSWORD="pass",
        )

        self.assertFalse(settings.DB_POSTGRESQL_SOCKET_MODE)
        self.assertEqual(
            settings.DB_POSTGRESQL_URL(),
            "postgresql://user:pass@db:5433/moviepilot",
        )
        self.assertEqual(
            settings.DB_POSTGRESQL_URL("asyncpg"),
            "postgresql+asyncpg://user:pass@db:5433/moviepilot",
        )
        self.assertEqual(settings.DB_POSTGRESQL_TARGET, "db:5433")

    def test_postgresql_socket_url_uses_host_query_param(self):
        settings = Settings(
            DB_POSTGRESQL_HOST="/var/run/postgresql",
            DB_POSTGRESQL_PORT="",
            DB_POSTGRESQL_DATABASE="moviepilot",
            DB_POSTGRESQL_USERNAME="user",
            DB_POSTGRESQL_PASSWORD="pass",
        )

        self.assertTrue(settings.DB_POSTGRESQL_SOCKET_MODE)
        # socket 模式下不带端口：未显式设置时 DB_POSTGRESQL_PORT 为空串
        self.assertEqual(settings.DB_POSTGRESQL_PORT, "")
        self.assertEqual(
            settings.DB_POSTGRESQL_URL(),
            "postgresql://user:pass@/moviepilot?host=%2Fvar%2Frun%2Fpostgresql",
        )
        self.assertEqual(
            settings.DB_POSTGRESQL_URL("asyncpg"),
            "postgresql+asyncpg://user:pass@/moviepilot?host=%2Fvar%2Frun%2Fpostgresql",
        )
        self.assertEqual(settings.DB_POSTGRESQL_TARGET, "socket /var/run/postgresql")

    def test_postgresql_socket_url_can_keep_explicit_port(self):
        settings = Settings(
            DB_POSTGRESQL_HOST="/var/run/postgresql",
            DB_POSTGRESQL_PORT="5432",
            DB_POSTGRESQL_DATABASE="moviepilot",
            DB_POSTGRESQL_USERNAME="user",
            DB_POSTGRESQL_PASSWORD="",
        )

        self.assertEqual(
            settings.DB_POSTGRESQL_URL(),
            "postgresql://user@/moviepilot?host=%2Fvar%2Frun%2Fpostgresql&port=5432",
        )
        self.assertEqual(
            settings.DB_POSTGRESQL_TARGET,
            "socket /var/run/postgresql (port 5432)",
        )